select top ? tblApproval.num, tblApproval.user_name as NAME, tblApproval.com_position as POST,tblApproval.org_depart as DEPT, 
tblApproval.appro_serial as FILENO, CONVERT(varchar(100), tblApproval.save_date, 120) as CREAT_DATE,
tblApproval.subject as TITLE, tblApproval.attach, tblApproval.contents, tblApproval.attach_paper from tblApproval 
where appro_state=1
ORDER BY tblApproval.save_date DESC